Liebherr Other models
2 models in this series
Liebherr 22HM: EU class O4 trailer with a permissible gross weight of 18,600 kg, unladen weight of 18,380 kg and payload of 220 kg at 14,050 mm length and 2,500 mm width
Liebherr is one of the internationally active manufacturers of construction machinery, cranes and vehicle technology. The 22HM trailer from this range carries a permissible gross weight of 18,600 kg and so falls into EU trailer class O4, above 10 tonnes, the class of heavy trailers and semi-trailers used on long-haul routes. Trailers of this kind in the manufacturer's range mainly serve to move construction machinery and equipment between work sites.
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At a length of 14,050 mm and a width of 2,500 mm, the trailer has an unladen weight of 18,380 kg; against the permissible 18,600 kg that leaves a payload of 220 kg. The wheelbase between the outermost axles is 10,300 mm. It runs on 8 wheels. Its design top speed is 80 km/h, below the 100 km/h usual for trailers.
As a class O4 vehicle it is fitted with air brakes under EU rules, mandatory from this weight class upward. Towing it requires, depending on the tow vehicle, at least driving licence category C1E or CE. EU rules also require category A anti-lock braking (ABS) for trailers in classes O3 and O4, preventing the trailer from breaking away under braking.
A used-trailer check should start with the frame: corrosion at the axle mounts and cross members is the most common fault on this type. Add to that a function check of the air brake system including lines and brake chambers, tyre condition relative to load rating, play in the axle bearings, the condition of the towing eye or coupling, and a valid roadworthiness inspection. The check should also cover the suspension, the load floor for corrosion, matching of the chassis number to the documents, and the presence of load-securing lashing points.
Sources: SpecCodex-Register: Kennwerte des Modells 22HM, Liebherr: liebherr.com
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